netdev - Re: [PATCH v4 0/10] bql: Byte Queue Limits

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Date:	Tue, 29 Nov 2011 08:07:56 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Dave Taht <dave.taht@...il.com>
Cc:	Tom Herbert <therbert@...gle.com>, davem@...emloft.net,
	netdev@...r.kernel.org
Subject: Re: [PATCH v4 0/10] bql: Byte Queue Limits

Le mardi 29 novembre 2011 à 08:02 +0100, Eric Dumazet a écrit :

> TSO on means a low priority 65Kbytes packet can be in TX ring right
> before the high priority packet. If you cant afford the delay, you lose.
> 


By the way, I hope TSO is off for wifi adapters.

At least here its off..

# ethtool -k wlan0
Offload parameters for wlan0:
rx-checksumming: off
tx-checksumming: off
scatter-gather: off
tcp-segmentation-offload: off
udp-fragmentation-offload: off
generic-segmentation-offload: off
generic-receive-offload: on
large-receive-offload: off
rx-vlan-offload: off
tx-vlan-offload: off
ntuple-filters: off
receive-hashing: off


0c:00.0 Network controller: Broadcom Corporation BCM4311 802.11a/b/g (rev 01)


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